Geometry Nodes: Scale Instances Node

Adds a node that can scale a geometry's instances. With "Local" turned
on, the instance is scaled individually from the center point input,
while when local space is turned off, it's more like the transform
node, except it scales outward from the center point instead of only
from the origin.

Differential Revision: https://developer.blender.org/D12681

release/scripts/startup/nodeitems_builtins.py

@@ -683,6 +683,7 @@ geometry_node_categories = [
         NodeItem("GeometryNodeSeparateGeometry"),
         NodeItem("GeometryNodeSetPosition"),
         NodeItem("GeometryNodeRealizeInstances"),
+        NodeItem("GeometryNodeScaleInstances"),
         NodeItem("GeometryNodeTranslateInstances"),
     ]),
     GeometryNodeCategory("GEO_INPUT", "Input", items=geometry_input_node_items),